Summary of a dating website
This bottle is an Owens-Illinois Glass Company produced beer bottle made in 1941 by the Oakland, CA. If you are attempting to estimate the approximate manufacturing date - or age - of a particular bottle (or significant sized fragment) the first page to visit would be the Bottle Dating page and its related sub-pages.These pages lead a user through a series of questions about the physical - or morphological - characteristics of historic bottles which help to narrow down the age of an item.Since there were hundreds of thousands of uniquely different bottles produced in the United States (and Canada**) between the late 18th century and the 1950s (Fike 1987), it is beyond the scope or even possibility of this site (or website or book) to provide specific details about more than just a tiny fraction of a percent of that variety of bottles.
Beyond that the book includes more information about historic bottle identification (typology), bottle production, and more than can be summarized here.
The book is available at com - search for "Baffle Marks and Pontil Scars." The book is available softbound with either black and white or full color images. made in the United States from the late 18th through mid-20th centuries. Both are hard questions to answer and the answer is somewhat arbitrary in the end.
▪ Field archaeologists trying to identify and date bottles or bottle fragments which are found during cultural surveys and excavations in the United States; ▪ Educators dealing with the subject of historical archaeology; and ▪ Collectors and the general public trying to date a bottle, determine what it was used likely for, and/or begin their search for information dealing with the fascinating world of historic bottles.
Some of the embossed markings on the bottle base above are a great information source for 20th century bottle identification; some are meaningless.
In addition, this site also assists the user with these questions: 3.